Thunderbolt Screws
Hex Head Concrete Screw - 12mm Ø
The ideal fixing for heavy duty anchoring into brick, stone, wood concrete and concrete block.
The Thunderbolt screw is an extremely versatile anchor screw that performs well in a wide variety of building materials including brick, stone, wood, concrete and concrete block.
You no longer need the old fashioned method such as through bolts, shield, sleeve and drop-in anchors. Thunderbolt screws make anchoring a much more efficient process, greatly increasing the speed of installation.
Key Features
- High-Low parallel threads for ease of insertion and high pull-out values
- Removable & adjustable non-expansion through fixing
- Unique concave thread configuration
- Hex head to enable more secure and reliable clamping with increased torqueability
- 130mm and above are partially threaded
All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire.